OpenAI

GPT-5.4 nano API Pricing

Most cost-effective GPT-5.4-class model; optimized for classification/extraction. Fine-tuning, computer use, and tool search not supported. Knowledge cutoff Aug 31 2025. Batch: $0.10/$0.625 per MTok, cached batch input $0.01.

Verified against OpenAI’s pricing page on 2026-07-02.

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Facts

Specs

  • FamilyGPT-5
  • API IDgpt-5.4-nano
  • ModalityMultimodal
  • Context window400K tokens
  • Max output128K tokens
  • Release date2026-03-17

Pricing (per 1M tokens)

  • Input$0.20 / 1M tokens
  • Output$1.25 / 1M tokens
  • Cached input$0.02 / 1M tokens
  • Cache write
  • Batch discount50%

Capabilities

vision, tool-use, reasoning, function-calling, structured-outputs, streaming

Notes

Most cost-effective GPT-5.4-class model; optimized for classification/extraction. Fine-tuning, computer use, and tool search not supported. Knowledge cutoff Aug 31 2025. Batch: $0.10/$0.625 per MTok, cached batch input $0.01.

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadEst. monthly cost

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$41.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$62.25

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$29.38

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

GPT-5.4 nano pricing FAQ

How much does GPT-5.4 nano cost per 1M tokens?
GPT-5.4 nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens.
How much does GPT-5.4 nano cost per request?
A typical request of 800 input and 200 output tokens costs about $0.00041 on GPT-5.4 nano.
Is GPT-5.4 nano cheaper than GPT-5.4?
GPT-5.4 nano is cheaper than GPT-5.4 on input tokens, by about 92%.
Does GPT-5.4 nano have cache pricing?
Yes — cached input reads cost $0.02 per 1M tokens.